U.S. patents available from 1976 to present.
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Patent No. 6205950

Pet Toilet-Like Water Disk and Food Storage

One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."

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Patents Published on 03/07/1978


See All Patents Issued In 1978


                    30  
NumberTitleIssue Date
4078224Electronic roll warning system for vehicles
A roll warning system to alert a vehicle operator of the amount of transverse weight shift or roll of the vehicle. The warning system includes a pair of strain sensing units mounted to opposing suspension units of the vehicle, voltage generating circuitry...
03/07/1978
4078225Arrangement and a method for error detection in digital transmission systems
To convey parity checking information in a digital transmission system a predetermined digital word is replaced at the transmitter by a unique digital word having the same number of bits which is not allowable in the normal digital stream. The unique word...
03/07/1978
4078226Input apparatus for dynamic signature verification systems
The disclosure relates to signature verification input apparatus comprising a writing instrument and platen containing piezoelectric transducers which generate signals in response to writing pressures....
03/07/1978
4078227Threshold detector for optical character recognition system
A threshold detector for use with a video signal including a first level representative of a white surface, a second level representative of a true black mark on the white surface, and a third level intermediate the first and second levels representative ...
03/07/1978
4078228Loop data highway communication system
A plurality of data stations are connected in series by a "transmission line" to form a loop data communication system through which signals are transmitted unidirectionally. The transmission of the data is effected by using an information block containin...
03/07/1978
4078229Three dimensional systems
Method and media are provided for producing three-dimensional sensible objects by the intersection of radiation beams, whereby an active region is produced as a result of the intersection of said beams raising a molecule in the active region to its excite...
03/07/1978
4078230Multi-segment detector
A plurality of stretcher detector segments are connected in series whereby detector signals generated when a bubble passes thereby are added together. Each of the stretcher detector segments is disposed an identical propagation distance away from passive ...
03/07/1978
4078231Method and apparatus for monitoring the flaws in spun yarn produced on open end rotor spinning machines
A method and apparatus for monitoring the production of spun yarn in an open end rotor spinning machine. The spun yarn is withdrawn from the open end rotor spinning machine at a constant rate of speed. As a result of changes in mass of the yarn created by...
03/07/1978
4078232Optical analog to digital converter
a Bourdon tube is situated down hole in an oil well or the like, and has attached thereto a coded wheel which rotates an amount determined by the sensed down hole pressure. The wheel has a number of transparent and opaque concentric bands thereon which fo...
03/07/1978
4078233Analog to digital converter circuit with gain ranging feedback
An acoustical testing system is described wherein a stabilized and calibrated audio sound generator is used to drive a device to be tested with the output of the device being processed by circuit means that are automatically self-adjusting thereby resulti...
03/07/1978
4078234Continuous wave correlation radar system
A CW radar transmitter is simultaneously frequency modulated with a sinusal wave and phase-modulated with a pseudorandom binary code. Both the frequency of the FM signal and the bits and bit duration in the binary code can be varied to change the resolut...
03/07/1978
4078235Obstacle detecting system
An obstacle detecting system comprising an oscillating device for generating and directing to an obstacle a first oscillating signal in a first time period and a second oscillating signal having a different frequency than that of the first oscillating sig...
03/07/1978
4078236Remote switching apparatus
A remote switching apparatus, in which a transmitter is adapted to transmit a predetermined number of bursts of single frequency signal, to designate a particular digit. Preferably the group of bursts is preceded by a prepulse of particular character whic...
03/07/1978
4078237Offset FED magnetic microstrip dipole antenna
An offset FED magnetic microstrip dipole antenna consisting of a thin eleically conducting, element formed on one surface of a dielectric substrate, the ground plane being on the opposite surface with the radiating element shorted to the ground plane. Th...
03/07/1978
4078238Magnetic deflector for a magnetic ink jet printer
A magnetic deflector for a magnetic ink jet printer has compensating pole pieces which alter the gradient field produced by deflection pole pieces so as to counterbalance centering forces acting on magnetic ink drops moving through the magnetic field in o...
03/07/1978
4078239Method and apparatus for screening slot-mask, stripe screen color cathode ray tubes
This disclosure depicts method and apparatus for screening slot-mask, stripe screen type color cathode ray tubes particularly method and apparatus for improving screen stripe uniformity and edge definition. The method involves supporting a curved, approxi...
03/07/1978
4078240Photographic flash device
An automatic photographic flash device wherein the amount of light of the flash tube is automatically controlled in response to intensity of light from the direction of the photographic object by means of an electric circuit A flash tube part is movably i...
03/07/1978
4078241Film-engaging photographic mechanism for self-developing film
A film-engaging mechanism for incorporation in a camera which uses self-developing film has a receptacle for a film cassette and a processor for developing the film. The receptacle houses a replaceable film cassette, positions it to align the foremost fil...
03/07/1978
4078242Flash light photographic systems
The present invention relates to various kinds of the flash light photographic systems consisting of a combination of either of the below mentioned cameras with either of the below mentioned flash light device; A camera CD presenting an input terminal of the i...
03/07/1978
4078243Phototransistor array having uniform current response and method of manufacture
Variations of current gain from element to element in a phototransistor array are eliminated by covering the array with an opaque mask and etching openings in the mask over each phototransistor based upon an area reduction factor (ARF). The area reduction...
03/07/1978
4078244Semiconductor device
A semiconductor device having two transistors which have a common collector. The device is characterized in that the distance between the two base zones is such that during operation of the device the depletion zones of the base-collector junctions merge ...
03/07/1978
4078245System for multiplexing information channels adjacent to a video spectrum
A system for multiplexing either a single or multiple information channels adjacent to the video spectrum on a TV microwave or cable by frequency modulating a high frequency subcarrier at wide deviation with one or composite information signals, translati...
03/07/1978
4078246Holder for magnetic discs
A container for a magnetic data recording disc includes a flat cassette shaped for insertion into a receptacle of disc memory of a data processing apparatus. A normally closed opening in a sidewall of the cassette provides access to the disc for recording...
03/07/1978
4078247Inverter circuit control circuit for precluding simultaneous conduction of thyristors
A circuit suitable for use in an induction range. The circuit includes a resonant inverter having first and second gate controlled thyristor switches, the main conduction paths of which are serially connected between the power supply terminals. Trigger pu...
03/07/1978
4078248Lock light
Keyhole illumination for a tumbler and cylinder lock comprising a miniature light source and a light transmitting pin in the pin holes....
03/07/1978
4078249Digital display composition system
A stand-alone, interactive processor and display system for displaying, performing positioning, sizing, and performing supportive composition functions for newspaper ad layout. Interactive work stations position copy, edit and correct text, adjust style a...
03/07/1978
4078250Log-antilog conversion for a digital radar system
Linear domain numbers are converted into standard characteristic-mantissa format by left shifting the leading zeros out of the mantissa portion and into the characteristic portion. The resulting normalized mantissa M is separated into a MSB portion m and ...
03/07/1978
4078251Electronic calculator or microprocessor with mask logic effective during data exchange operation
An electronic calculator or microprocessor system of the type preferably having keyboard input and a visual display is implemented with a semiconductor chip having an arithmetic unit, an address register responsive to the input, an instruction word memory...
03/07/1978
4078252Ramp generator
A ramp generator for driving a bar graph display which utilizes a feedback circuit to set its maximum level of the ramp....
03/07/1978
4078253Pattern generating system
Pattern information for production of a Jacquard pattern by a knitting or a weaving machine is automatically and quickly obtained. A pattern drawn on a sheet by a designer is converted to an analog type electrical signal by a television camera, and said a...
03/07/1978
4078254Hierarchical memory with dedicated high speed buffers
A hierarchical memory for a data processing system which is comprised of a number of different independent storage modules and a main memory backing store. Each data handling element of the system has an independent storage module associated with it as a ...
03/07/1978
4078255Sequence generator having amplitudes and phases of spectral components randomly distributed
An improved noise loading arrangement and method are disclosed capable of measuring low intensity intermodulation distortion products, such as introduced in the operation of individual wideband transmission repeaters. The improved arrangement and method a...
03/07/1978
4078256Inversion using successive approximation
Disclosed is a circuit for realizing an improved approximation to the inverse of a function, f-1, which operates on an applied signal by means of a network for approximating the inverse function f-1 and by means of a cascade intercon...
03/07/1978
4078257Calculator apparatus with electronically alterable key symbols
A calculator system having a transparent keyboard includes an apparatus for electronically labeling the keyboard by displaying alphanumeric symbols through the keyboard. The apparatus comprises a keyboard selection device and a liquid crystal keyboard dis...
03/07/1978
4078258System for arranging and sharing shift register memory
A system for arranging the memory in an electronic dynamic shift register for performing multiple operations during a memory revolution. Control codes, such as separator and record flags, are input into the shift register memory for defining an input and ...
03/07/1978
4078259Programmable controller having a system for monitoring the logic conditions at external locations
A system for monitoring the logic conditions at the external addressable locations of a programmable controller wherein intermediate memory units are provided for controlling separate input and output locations. The controller periodically sequences the d...
03/07/1978
4078260Apparatus for transposition sorting of equal length records in overlap relation with record loading and extraction
An apparatus for sorting of equal length records with the sorting time maximally overlapped by the time taken for loading and unloading of records. The minimal structure consists of a decision mechanism linked to and associated with a network of ladder st...
03/07/1978
4078261Sense/write circuits for bipolar random access memory
A bipolar sense-write circuit is provided for sensing voltage levels representative of a logical "1" or a logical "0" stored in a flip-flop storage cell and for writing voltage levels into the flip-flop storage cell. The sense portion of the sense-write c...
03/07/1978
4078262Controlling an iron-ore agglomeration process
The permeability of a mixture to be agglomerated is measured by means of at east one permeability-measuring device situated upstream of a mixer directly preceding a feed hopper feeding an agglomerating apparatus. Water is added to the mixture in the mixer....
03/07/1978
4078263Manually operated mobile mixer
A manually operated mobile mixer having a wheeled base and a handle for rolling the base over a supporting surface. A pivot on the base rotatably engages the bottom of a cylindrical mixing container whose exterior surface frictionally engages a pair of wh...
03/07/1978
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